/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformFile.h
File and directory visitor function that takes all the stat data
typedef [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const TCHAR *, const [FFileStatData](API\Runtime\Core\GenericPlatform\FFileStatData) &)> FDirectoryStatVisitorFunc